e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Heterocyclization of Oximes of 3, 5-Dimethyl (1, 3, 5-trimethyl)-2, 6-diphenylpiperid-4-ones and N-Benzylpyrrolid-3-ones with Acetylene in a Superbasic Medium
LG Voskressensky, TN Borisova…
Index: Chemistry of Heterocyclic Compounds, , vol. 40, # 3 p. 326 - 333
... Analysis of the 1H NMR spectrum of the mixture of isomers of 10a and 10b showed that in both isomers the chemical shifts of the pyrrole fragment and N-CH3 protons coincided. ... 10. VA Trofimov, in RA Jones (editor), The Chemistry of Heterocyclic Compounds, Vol. ...